Part of the Kubota Operator Manuals.
This is the Kubota operator manual for the K008-3 mini excavator, publication number RA028-8222-2, powered by the Kubota D722-EBH diesel engine. Across 81 pages it walks owners and operators through safe operation, the instrument panel and controls, daily pre-start checks, engine starting, and full excavator, boom, arm, bucket, swing, and dozer operation.It also carries the machine's technical data, a complete maintenance schedule by service-hour interval, troubleshooting charts, cold-weather and long-storage procedures, recommended oils, main dimensions, and lifting-capacity tables. With a machine weight of 920 kg and rated engine power of 10.2 HP (7.4 kW), the K008-3 is a compact machine, and this manual gives you the checks, intervals, and fault-finding steps to run and maintain it correctly. Delivered as an instant, printable PDF download.
What's Inside This Kubota K008-3 Operator Manual
| System | Pages | Key Topics |
|---|---|---|
| Safe Operation | - | Before Operation, Starting Excavator, Safety for Children, Safe Loading and Transport, Danger/Warning/Caution Labels, Care of Labels |
| Dealer Service | - | Kubota Dealer Support, Ordering Spare Parts, Excavator Serial Number, Engine Serial Number |
| Technical Data | - | Model Name, Machine Weight, Engine Power, Travel Speed, Fuel Tank Capacity, Dozer Dimensions, Boom Swing Angle |
| Description of Machine Parts | - | Arm, Bucket Cylinder, Dozer, Operator's Seat, ROPS |
| Instrument Panel and Control Elements | - | Starter Switch, Hour Meter, Alarm Lamps, Horn Switch, Working Light Switch, Throttle Lever, Drive Levers, Control Levers for Attachments |
| Before Start | - | Control Lever Lock, Swing Lock Pin, Daily Checks, Coolant Level Check, Fuel Level Check, Engine Oil Level Check, Hydraulic Fluid Level Check |
| Operation of the Engine | - | Starting Engine, Hourmeter, Checkpoints After Starting, Starting Under Cold Conditions, Stopping Engine, Engine Stop Lever, Starting with Auxiliary Battery, Overheat Precautions |
| Excavator Operation | - | Control Observations, Running-In New Excavator, Adjusting Operator's Seat, Controls for Attachments, Pattern Change, Boom/Arm/Bucket Operation, Swivel (Unit Swing) |
| Maintenance | - | Maintenance Intervals, Daily Checks, Every 50/100/200/500/1000/1500/2000/3000 Service Hours, Annual/Biennial Servicing, Other Servicing, Purging Fuel System, Adjustment of Crawlers |
| Troubleshooting | - | Starting Difficulties, Insufficient Engine Power, Engine Suddenly Stops, Abnormal Exhaust Gas Color, Water Temperature Warning, Hydraulic System Issues, Drive System Issues |
| Operation in Cold Weather Conditions | - | Preparation for Operation, Mixing Ratio of Water and Anti-Freeze, Procedure After Work |
| Long Storage | - | Storage Procedures, Operating After Long Storage, Periodic Replacement of Important Component Parts |
| Recommended Oils | - | Engine Oil Viscosity, Gear Oil Viscosity, Hydraulic Oil Viscosity, Grease, Fuel Types |
| Main Dimensions | - | Overall Length, Overall Height, Overall Width, Min. Ground Clearance, Digging Height, Digging Depth, Turning Radius |
| Lifting Capacity | - | Iso 10567 Standards, Load Point, Machine Positions, Operating Cylinder, Bucket Consideration, Over Front (Blade up/down), Over Side (Track Width 860 Mm) |
Quick Reference Specifications
| Specification | Value | Page |
|---|---|---|
| Compressed air pressure for cleaning air filter element | under 205 kPa (2.1 kgf/cm²) | p. 64 |
| Air filter element cleaning interval | every 200 hrs | p. 53 |
| Fan belt deflection | about 8 mm | p. 62 |
| Fan belt tension adjustment interval | every 200 hrs | p. 53 |
| Hydraulic hoses replacement interval | Every 2 years or 4000 hours | p. 76 |
| Fuel hose replacement interval | Every 2 years or 4000 hours | p. 76 |
| Radiator hoses check interval | every 200 hours or every 6 months, whichever comes first | p. 63 |
| Radiator hoses replacement interval | every two years | p. 67 |
| Battery electrolyte specific gravity | between 1.27 and 1.29 | p. 61 |
| Battery condition check interval | every 50 hrs | p. 53 |
| Machine weight | 920 kg | p. 21 |
| Standard bucket volume (CECE) | 0.022 m³ | p. 21 |
Kubota K008-3 Common Problems This Manual Covers
Overheating or water temperature warning
The water temperature warning lamp usually points to a worn fan belt, low coolant, or a clogged radiator on the K008-3. The troubleshooting section lists the causes to check, and the fan belt should deflect about 8 mm when tensioned.
Manual Section: Troubleshooting p. 72Weak boom, arm, or bucket power
When boom, arm, bucket, swing, or dozer action feels weak, it is commonly low hydraulic fluid or a leaking hose. The before-start checks show how to verify the hydraulic fluid level before you operate.
Manual Section: Before Start p. 25Hard starting in cold weather
Cold-weather starting problems come from thick fuel, high oil viscosity, or a weak battery. The cold weather section covers preparation and the correct water-to-antifreeze mixing ratio for winter operation.
Manual Section: Operation in Cold Weather Conditions p. 74Swing function does not work
If the machine will not swing, the swing lock pin is often still in the lock position rather than a real fault. The excavator operation section explains the swing controls and how to release the lock.
Manual Section: Excavator Operation p. 31Machine pulls to one side while travelling
Travel deviation is usually caused by stones lodged in the undercarriage or crawler tension set too loose or too tight. The maintenance section covers crawler adjustment, with readjustment needed once slack exceeds 25 mm.
Manual Section: Maintenance p. 53Engine loses power or runs sluggishly
Power loss and sudden stops often trace to a clogged air filter, poor fuel quality, or low fluid levels. The troubleshooting charts list the checks, and the maintenance schedule sets air filter cleaning and replacement intervals.
Manual Section: Troubleshooting p. 72Frequently Asked Questions
Which machine does this manual cover?
It is the operator manual for the Kubota K008-3 mini excavator, publication number RA028-8222-2, powered by the Kubota D722-EBH diesel engine.
What does an operator manual include?
These 81 pages cover safe operation, controls, daily checks, engine and excavator operation, a full maintenance schedule, troubleshooting, cold-weather and storage procedures, recommended oils, dimensions, and lifting-capacity tables. It is an operating and maintenance guide, not a full repair manual.
What are the key specifications?
The technical data lists a machine weight of 920 kg, rated engine power of 10.2 HP (7.4 kW), a 12 L fuel tank, and a 0.022 m3 standard bucket for the K008-3. p. 21
Does it give maintenance intervals?
Yes. The maintenance section sets service-hour intervals, for example cleaning the air filter element every 200 hours and replacing it every 1000 hours, along with daily and periodic checks. p. 53
How quickly can I access this manual after buying?
It is an 81-page searchable PDF, ready the moment you pay. Open it on any device; pull it up on your phone while you're under the hood. No shipping, no waiting.
Is this Kubota K008-3 Operator Manual printable?
No restrictions at all. Print individual pages, full chapters, or the entire manual. The PDF is completely unlocked.
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